Position Monitor | Emerson EPRO A6220

Emerson A6220 Shaft Eccentricity Vibration Monitor

The Emerson A6220 is a precision vibration monitoring module designed for the AMS 6500 Machinery Health Monitor system. This advanced monitor provides reliable shaft eccentricity measurement and protection for critical rotating equipment.

Technical Specifications

• Brand: Emerson
• Model: A6220
• System: AMS 6500 Machinery Health Monitor
• Input Type: Eddy current, differential
• Input Channels: 2 independent channels
• Input Resistance: >100 kΩ
• Input Voltage Range: -1 to 23 VDC
• Frequency Range: 0.017 - 70 Hz (102 - 4200 rpm)
• Measuring Range: 0-400 mV to 0-8000 mV peak
• Sensor Power: -26.7 VDC, 20 mA nominal
• Current Outputs: 0/4-20 mA, ±1% accuracy
• Voltage Outputs: 0-10 VDC, ±1% accuracy
• Operating Temp: -40°C to +85°C

Physical Dimensions

• Format: DIN 41494 EURO card
• Dimensions: 100 x 160 mm
• Width: 30.0 mm (6 TE)
• Height: 128.4 mm (3 HE)
• Net Weight: 320 g
• Gross Weight: 450 g
• Rack Space: 1 slot per module
• Capacity: 14 modules per 19" rack

Monitoring Features

• Shaft Eccentricity Measurement
• Peak-to-Peak Vibration Analysis
• Min/Max Measurement Capability
• Continuous Gap Monitoring
• Real-time Vibration Analysis
• Dynamic Shaft Position Tracking

Compatible Sensors

• Emerson 6422 Series Sensors
• Emerson 6423 Series Sensors
• Emerson 6424 Series Sensors
• Emerson 6425 Series Sensors
• Standard Eddy Current Probes
• Differential Vibration Sensors

Alarm & Protection

• Dual Alarm Setpoints: Alert & Danger
• Adjustable Time Delays: 0-5 seconds
• Configurable Hysteresis: 0-20%
• Setpoint Range: 5-100% of full scale
• NO/NC Contact Configuration
• Channel OK Status Monitoring

Front Panel Features

• Green LEDs: Channel OK Status
• Red LEDs: Alert/Danger Status
• Buffered Outputs: -1 to -24 V
• Mini DIN Configuration Socket
• RS-232 Communication Interface
• Easy-remove Handle Design

Industrial Applications

• Steam Turbine Monitoring
• Gas Turbine Protection
• Compressor Shaft Eccentricity
• Generator Vibration Analysis
• Large Pump Monitoring
• Critical Machinery Protection

Package Contents

• One A6220 Monitor Module
• Mounting Hardware
• Installation Manual
• Configuration Software Access
• Product Documentation

Certifications & Compliance

• CE Certification
• ATEX Compliance
• IEC Standards
• Industrial Safety Standards